The cell phone company that Laura uses charges $40.00 per month for 500 minutes and $0.40 per minute for every minute over 500 minutes. Laura's cell phone bill for August was $73.60. In September, the cost per minute for every minute over 500 minutes was changed to $0.30 per minute. If Laura uses the same number of minutes in September as she did in August, what will her
total cell phone bill be in September?

You drop a rubber ball off the roof of a 50 meter high building onto a paved parking lot. it bounces back up with every bounce, but not quite all the way back up to you. after the first bounce it bounces back only 80 percent of the distance it was dropped from. the pattern continues, meaning after every bounce it comes up to just 80 percent of the previous maximum height. so if before the first bounce the height is 50 meters, what height does the ball reach after the fifth bounce? round your answer to one decimal place and chose the correct response from the choices below:

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?